Priority Date: 21.11.07 (US 20070996513P)

Improved speaker apparatus

  • Application ID: EP14190517
  • Status: EXAMINATION REQUESTED

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Specialization

This patent has the IPC combination H02 (GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER) and H04 (ELECTRIC COMMUNICATION TECHNIQUE) is specialized in the combination H02 and H04. We found, that Awapatent AB, Dreiss Patentanwälte PartG mbB, Novagraaf, Eisenführ Speiser & Partner Patentanwälte Rechtsanwälte PartGmbB, Westphal Mussgnug & Partner and 26 others are specialized in all of these IPC classes. For a similar patent, they might be a good choice.

Timeline

  • 21.11.2007 - Priority Date (US 20070996513P)
  • 11.03.2015 - Publication A1 (EP2846557)